public class Task4Arrays {
	
	public static void main(String[] args) {
		
		int arr1[] = new int[10];
        int arr2[] = new int[]{3, 7, 9};
        int x = 0, y = 0, z = 0;
        
        for(int i=0;i<10;i++)
        	arr1[i] = arr2[(int)( Math.random() * 3)];
        
        for(int i: arr1)
        	System.out.print( i + " " );
        
        for(int i=0;i<10;i++){
        	if(arr1[i]==3)
        		x++;
        	if(arr1[i]==7)
        		y++;
        	if(arr1[i]==9)
        		z++;
        }
        
        System.out.println();
        System.out.print("Троек: " + x + "; Семерок: " + y + "; Девяток: " + z + ".");
	}
}
